vendor/rails/activerecord/test/models/pirate.rb

   1 class Pirate < ActiveRecord::Base
   2   belongs_to :parrot
   3   has_and_belongs_to_many :parrots
   4   has_and_belongs_to_many :parrots_with_method_callbacks, :class_name => "Parrot",
   5     :before_add    => :log_before_add,
   6     :after_add     => :log_after_add,
   7     :before_remove => :log_before_remove,
   8     :after_remove  => :log_after_remove
   9   has_and_belongs_to_many :parrots_with_proc_callbacks, :class_name => "Parrot",
  10     :before_add    => proc {|p,pa| p.ship_log << "before_adding_proc_parrot_#{pa.id || '<new>'}"},
  11     :after_add     => proc {|p,pa| p.ship_log << "after_adding_proc_parrot_#{pa.id || '<new>'}"},
  12     :before_remove => proc {|p,pa| p.ship_log << "before_removing_proc_parrot_#{pa.id}"},
  13     :after_remove  => proc {|p,pa| p.ship_log << "after_removing_proc_parrot_#{pa.id}"}
  14
  15   has_many :treasures, :as => :looter
  16   has_many :treasure_estimates, :through => :treasures, :source => :price_estimates
  17
  18   # These both have :autosave enabled because accepts_nested_attributes_for is used on them.
  19   has_one :ship
  20   has_many :birds
  21   has_many :birds_with_method_callbacks, :class_name => "Bird",
  22     :before_add    => :log_before_add,
  23     :after_add     => :log_after_add,
  24     :before_remove => :log_before_remove,
  25     :after_remove  => :log_after_remove
  26   has_many :birds_with_proc_callbacks, :class_name => "Bird",
  27     :before_add     => proc {|p,b| p.ship_log << "before_adding_proc_bird_#{b.id || '<new>'}"},
  28     :after_add      => proc {|p,b| p.ship_log << "after_adding_proc_bird_#{b.id || '<new>'}"},
  29     :before_remove  => proc {|p,b| p.ship_log << "before_removing_proc_bird_#{b.id}"},
  30     :after_remove   => proc {|p,b| p.ship_log << "after_removing_proc_bird_#{b.id}"}
  31
  32   accepts_nested_attributes_for :parrots, :birds, :allow_destroy => true, :reject_if => proc { |attributes| attributes.empty? }
  33   accepts_nested_attributes_for :ship, :allow_destroy => true, :reject_if => proc { |attributes| attributes.empty? }
  34   accepts_nested_attributes_for :parrots_with_method_callbacks, :parrots_with_proc_callbacks,
  35     :birds_with_method_callbacks, :birds_with_proc_callbacks, :allow_destroy => true
  36
  37   validates_presence_of :catchphrase
  38
  39   def ship_log
  40     @ship_log ||= []
  41   end
  42
  43   private
  44     def log_before_add(record)
  45       log(record, "before_adding_method")
  46     end
  47
  48     def log_after_add(record)
  49       log(record, "after_adding_method")
  50     end
  51
  52     def log_before_remove(record)
  53       log(record, "before_removing_method")
  54     end
  55
  56     def log_after_remove(record)
  57       log(record, "after_removing_method")
  58     end
  59
  60     def log(record, callback)
  61       ship_log << "#{callback}_#{record.class.name.downcase}_#{record.id || '<new>'}"
  62     end
  63 end